<?php

namespace App\Livewire;

use App\Models\Diary;
use App\Models\Meal;
use App\Models\Portion;
use Livewire\Component;

class MealForm extends Component
{
    public $time;

    public $type = 0;

    public $satiety = 3;

    public $mood = 3;

    public $product_name;

    public $portions;

    public $quantity;

    public $pcs;

    public $unit;

    public $diaryId;

    public Diary $diary;

    public Meal $meal;

    public $portion;

    protected $rules = [
        'product_name' => 'required|min:3',
        'quantity' => 'required',
        'portion' => 'required|min:1',
    ];

    protected $listeners = ['food-intake-updated' => '$refresh'];

    public function mount()
    {
        $this->diary = Diary::find($this->diaryId);
        $curMeal = $this->diary->meals->where('type', 0)->first();
        $this->time = $curMeal->time ?? now()->setTimezone('3')->format('H:i');
        $this->satiety = $curMeal->satiety ?? 3;
        $this->mood = $curMeal->mood ?? 3;
        $curPortions = $this
            ->diary
            ->meals
            ->reduce(
                fn ($acc, $item) => [...$item->portions->map(
                    fn ($i) => [...$i->toArray(), 'type' => $item->type]
                ),
                    ...$acc,
                ],
                []
            );

        $this->portions = $curPortions;
    }

    public function updatingType($value)
    {
        $curMeal = $this->diary->meals->where('type', $value)->first();
        $this->satiety = $curMeal->satiety ?? 3;
        $this->mood = $curMeal->mood ?? 3;
        $this->time = $curMeal->time ?? now()->setTimezone('3')->format('H:i');
    }

    public function render()
    {
        $types = [0, 1, 2, 3, 4];
        $typeNames = ['Завтрак', 'Обед', 'Ужин', 'Ланч', 'Перекусы'];
        $typeCssIds = ['breakfast', 'dinner', 'supper', 'lunch', 'snacks'];

        return view(
            'livewire.meal-form',
            [
                'types' => $types,
                'typeNames' => $typeNames,
                'typeCssIds' => $typeCssIds,
                'curMeal' => $this
                    ->diary
                    ->meals
                    ->where('type', $this->type)
                    ->first(),
            ]
        );
    }

    public function setType(int $type): void
    {
        $this->type = $type;
    }

    public function addFoodIntake(Diary $diary, Meal $meal, Portion $portion)
    {
        $this->addPortionIfItFilled();

        if (! $diary->exists) {
            $curMeal = Meal::where(
                [
                    'diary_id' => $this->diary->id,
                    'user_id' => auth()->id(),
                    'type' => $this->type,
                ]
            )->first() ?? new Meal();

            $curMeal->diary_id = $this->diary->id;
            $curMeal->user_id = auth()->id();
            $curMeal->time = $this->time;
            $curMeal->type = $this->type;
            $curMeal->satiety = $this->satiety;
            $curMeal->mood = $this->mood;
            $curMeal->save();

            foreach ($this->portions as $portion) {
                if ($portion['type'] === $this->type) {
                    $portionData = [
                        'meal_id' => $curMeal->id,
                        'product_name' => $portion['product_name'],
                        'portion' => $portion['portion'],
                        'quantity' => $portion['quantity'],
                    ];

                    $curPortion = Portion::where($portionData)->first() ?? new Portion();
                    $curPortion->meal_id = $curMeal->id;
                    $curPortion->product_name = $portion['product_name'];
                    $curPortion->portion = $portion['portion'];
                    $curPortion->quantity = $portion['quantity'];
                    $curPortion->save();
                }
            }
        }
        /* $this->dispatch('food-intake-updated'); */
        $this->dispatch('food-intake-updated')->self();
    }

    public function addPortion()
    {
        $this->validate();

        $data = [
            'type' => $this->type,
            'product_name' => $this->product_name,
            'quantity' => $this->quantity,
            'portion' => $this->portion,
        ];

        $newPortions = [...$this->portions, $data];

        $this->portions = $newPortions;
        $this->reset(['product_name', 'quantity', 'portion']);
    }

    public function editPortion($key, $item)
    {
        $filed = [
            'product_name' => $item['product_name'],
            'quantity' => $item['quantity'],
            'portion' => $item['portion'],
        ];
        $this->delPortion($key, $item);
        $this->fill($filed);
    }

    public function delPortion($key, $item)
    {
        if (isset($item['id'])) {
            Portion::find($item['id'])->delete();
        }

        $filtered = array_filter(
            $this->portions,
            function ($i) use ($key) {
                return $i !== $key;
            },
            ARRAY_FILTER_USE_KEY
        );
        $this->portions = array_values($filtered);
    }

    private function addPortionIfItFilled()
    {
        if (mb_strlen($this->product_name) && $this->quantity && mb_strlen($this->portion)) {
            $this->addPortion();
        }
    }
}